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LTC1535CSW PDF预览

LTC1535CSW

更新时间: 2024-09-23 22:34:39
品牌 Logo 应用领域
凌特 - Linear 线路驱动器或接收器驱动程序和接口接口集成电路光电二极管
页数 文件大小 规格书
12页 230K
描述
Isolated RS485 Transceiver

LTC1535CSW 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:SOIC包装说明:SOP, SOP28,.4
针数:28Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.24差分输出:YES
驱动器位数:1高电平输入电流最大值:0.00025 A
输入特性:DIFFERENTIAL SCHMITT TRIGGER接口集成电路类型:LINE TRANSCEIVER
接口标准:EIA-422; EIA-485JESD-30 代码:R-PDSO-G16
JESD-609代码:e0长度:17.9 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:70 °C
最低工作温度:最小输出摆幅:1.5 V
最大输出低电流:0.01 A封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP28,.4
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):235电源:5 V
认证状态:Not Qualified最大接收延迟:855 ns
接收器位数:1座面最大高度:2.65 mm
子类别:Line Driver or Receivers最大压摆率:73 mA
最大供电电压:5.5 V最小供电电压:4.5 V
标称供电电压:5 V电源电压1-最大:7.5 V
电源电压1-分钟:4.5 V电源电压1-Nom:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
最大传输延迟:1560 ns宽度:7.5 mm
Base Number Matches:1

LTC1535CSW 数据手册

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Final Electrical Specifications  
LTC1535  
Isolated RS485 Transceiver  
August 1999  
U
DESCRIPTIO  
FEATURES  
TheLTC®1535isanisolatedRS485full-duplexdifferential  
linetransceiver.IsolatedRS485isidealforsystemswhere  
the ground loop is broken to allow for much larger com-  
mon mode voltage ranges. An internal capacitive isolation  
barrier provides 2500VRMS of isolation between the line  
transceiver and the logic level interface. The powered side  
contains a 400kHz push-pull converter to power the iso-  
lated RS485 transceiver. Internal full-duplex communica-  
tion occurs through the capacitive isolation barrier. The  
transceiver meets RS485 and RS422 requirements.  
UL Rated Isolated RS485: 2500VRMS  
Half- or Full-Duplex  
Eliminates Ground Loops  
350kBd Maximum Data Rate  
Self-Powered with 400kHz Converter  
Fail-Safe Output High for Open or  
Shorted Receiver Inputs  
Short-Circuit Current Limit  
Slow Slew Rate Control  
68kInput Impedance Allows Up to 128 Nodes  
Thermal Shutdown  
The driver and receiver feature three-state outputs, with  
the driver maintaining high impedance over the entire  
common mode range. The drivers have short-circuit cur-  
rent limits in both directions and a slow slew rate select to  
minimize EMI or reflections. The 68kreceiver input  
allows up to 128 node connections. A fail-safe feature  
defaults to a high output state when the receiver inputs are  
open or shorted.  
8kV ESD Protection On Driver Outputs and Receiver  
Inputs  
U
APPLICATIO S  
Isolated RS485 Receiver/Driver  
RS485 with Large Common Mode Voltage  
Breaking RS485 Ground Loops  
Multiple Unterminated Line Taps  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
**  
CTX02-14659  
1/2 BAT54C  
+
10µF  
2
1/2 BAT54C  
2
2
3
11  
14  
ST1  
ST2  
GND2  
V
CC2  
V
1
V
CC  
CC  
400kHz  
+
10µF  
A
B
1
16  
15  
17  
TWISTED-PAIR  
CABLE  
RO  
28  
27  
R
RO  
RO2  
RE  
RE  
Y
Z
DE  
DI  
13  
12  
18  
26  
25  
4
DE  
DI  
D
GND  
SLO  
1
1535 TA01  
LOGIC COMMON  
1
FLOATING RS485 COMMON  
2
** TRANSFORMER  
COILTRONICS (561) 241-7876  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1

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